<!DOCTYPE html>
<html>
<head>
	<title></title>
	<script type="text/javascript">
		
		var arr=[{name: '文章数',type: 'docByDate',active:true},
                        {name: '阅读数',type: 'readCountByDate',active:false},
                        {name: '评论数',type: 'commentCountByDate',active:false},
                        {name: '点赞数',type: 'likeCountByDate',active:false}];

                console.log(arr);

                var arr2 = (arr.concat([])).splice(0,1);
                console.log(arr2);
                console.log(arr);
	</script>
</head>
<body>

</body>
</html>